/Engine/Source/Runtime/CoreUObject/Public/Misc/PackageAccessTracking.h
Accumulating constructor; sets new AccumulatedData by combining DirectData with Outer's AccumulatedData.
FTrackedData ( [FTrackedData](API\Runtime\CoreUObject\Misc\FTrackedData) & DirectData, [FTrackedData](API\Runtime\CoreUObject\Misc\FTrackedData) * OuterAccumulatedData )